Exhaust-muffler cut-out valve.



E, MILLER.

EXHAUST vMUF'LER CUT-OUT VALVE.

v APPLIOATION HLED JULY 30,1907.

966,345. Y Patente@ Aug., z, 19m

@XMIM/@ma Ell/we, mfofa @m/@m 'l Y Meh i .Toell whom' totaly UNITED sTATEs lrATinvT, OFFICE;

HUGHI MILLER, or ATTICA, NEW' Yom, AssmNon To oLIvEn- A. MILLER., or

- NEW YORK, N. y.

nxnUsr-MUFFLER CUT-our VALVE.;

:- ne it knoweth@ r, HUGE-Mmm, a @itizenf of 'the United States; residing at Attica,

in the county of Wyoming and State of New .Yorkfhave invented certeinnew `und useful Ijmbvements in Exhaust-Mulder Cut-Out Va ves, of 1Whiclrthe following' 1s u specifica'- :till o,11t the muliier of an explosion-engine .an .-allown' the exhaust to take place di- .,reetlyj into tie'atmosphere. @Wing to the '-natu rej,.ofv the gas-'engine exhaust-it has been er' diliijcult matterwith lprior cut-out devices tos'cure proper. durabi i t to keep'the valve capable of -ope'nin'gleasily and fully by a,

slight applicationbf power,v and desirable? requisites ina valve of low constructive cost as vwill be made apparent succeeding' 'description which` sets represents a longitudinal section of -`my 'ex- Of the Iaccompanyii-igdrawings, Figure 1 connected with portions of the exhaustpi' e 'and e third branch connected by meansio a' 40 a svvelleder enlarged. valve-chamber 17 hay@ and a dscliarg I "outlet branches 18, 1.9.A

screw-threaded nipple 14 with my imprpved cut-out device 15.' This device, as shnivn,` is melde with a body-casting 16 which includes ingen entrancebranch 1S branch'19. Between the valvech'ember und the discharge-branch i's a 'valve-seat' 201with4 yWhich coperaties a puppet-valve 21 o ening. end closing in the axial line of thel in et and Ilhe stem 22 of said valve is located'in the outlet-branch I19 and 'guidedby e; spider-bearing 23 forming a art of thecasting. An operating lever 2i is 'pivoted at ,25 between-two ears 26 onthe casting and oneurm 27 projects through an opening 28`in the side of the-outlet-brench- 'to entera slot 29 formednear the free ex- .tremity ofthe valvestem. A spring 30 con- Speoication of Letters' Patent. Application led July 30, '1907. Serial No. 386,216. i

from leakage when'closed, y'et.

' 1s" thefa'irn of my invention tofcombine' the Patented Aug. 2, 1910'.

nected with the other erm and WithV4 a fixed point onthe outside of the body-casting normally drawsthe valvev 21 to its seat and the lever may be oscillated by a suitable 'ocord or chain 32`leading to' a point Within vreach of the operated whereby the valve v,may .be unseated Whenever desired and' thus cause the engine-to exhaust directlyinto the atmosphere. The -o ening" in the Ainletbranch 18 is'made o sufliclent diameter to admit .the passage of the valve' 21 in assem- .branch is internally threaded to receive eitherthe :end of the exhaust-pipe nipple 14 directly, or a'couplin nipple 34 having a smaller internal threa 35 'whereby a smaller pipe nipple may be used as a connection .with the exhaust-pi e. The `fitting' 34.1r muy beinterchanged to t dilerent sizes of pipe nipples. Y

,--Among the advanta es ofjmy improvement are the fact 4tliatft e val-veis' seated by the exhaust pressure as well as'by the 'sp1-'in 30, has no sliding contact with its seat; sind all the operating connections are'on`the dis-I chargeside 'of tbe--valve, its stem 22vbeing-- protected Within the discharge-branch 19v and Inot subject tothehea't of the exhaust gases except When'momentarily-openedutho cut ou't the muffler.- This makes it Averf opening to its full extent With :incomparativelysmall exertion of force en the lever 31. The enlargedA valve-chamber 17-fperniits-a- -free access of the gases 4to the valve without stran ling, v and by making the fvlv'e -remov'a le through the inlet-branch .5181 can forni the body16 all in one casting`. This from' the exhaust and such sediment'may be deposited in considerable.'quantity Without' interfering with the s eatingjor 'unseating' of the valve. 'When the valveisopened the position in use as indicated in Fig. 2 but mcy It will'be understood that the att'achInei-it oimy cut-out. device to the ez'rhaust-pipe y means of a 'branchconnection composed of of the member 34 w bling or taking apart the .device und; said lsediment is blgwn 'out bythe exhaust'. .T'he valve shoufdz'preferably have @horizontal-- ereby connection is'Y chamber also tends to collect soot and oil also be used vertically or at a; slanting angle.

s durable and pressure-tight but'capable of y with the e`x`haustline of the engine, and op- J .pipe between the motor and the mnler and through-Seid at any point anterior to the gael-obstructing or silencing portions of the muier, the seninv' et theJomt 4bettwefen the two me: being large enough to admit. thegvpassa' the valve' in assemblingthe latter vwitother parts of the cut-out device.

1; The combination with an 'explosion motor and an exhaustfmuler therefor, of a ers e of Athe cutout device located between the motor and themuler vand comprismg 'a puppet valve against the presa'dapted'toopen inwardly ,having a 'dis-V s'ure of the exhaust, a casin -chargefoutlet :Eo'x` the esca ".,of the lgases: 25 `posterior to the valve, said casing bein nection, enel-o4 said parts carrying the valve and the other Vhaving meens cpnnecting it eratin'gcmegne for said valve ,mounted on the casing and-"havin 'connection with the ,valve arge-outlet. l' f 2. he combination with an explosion m07 tor,V its 'exhaust pipe" and the exhaust muii'er,V

of a cutfit device located on'the exhaustf connecte C0111.' posedof twoparts having a separab e con adapted to discharge lthe exhe'ust directly into the atmosphere, said device com 'rising a caslng formed with an outlet-brano and e valve-seat' atv the lex'ltrance thereof, an in.

wardlyopening puppet f valve cooperating with said seat, valve-operating connections y mounted on the casing and reaching' the,

valve through said outletbranch, and 'means forming a se arable connection between said casing'r and t e exhaust-pipe.

3. The Acombination-withL an explosion mo- .tor and 4an exhaustlmuier therefor, of a cut-out device located betweenthemotor and the muliler and comprising a casing in two parts one of which connects, with the exhaust lpe, the vother being detachably inwardly-opening puppet-valve cooperating i with the first part and formed. with an outlet bregich and a valve-seatf-n with said v'alvefseat and having .ap-'Stem ided in' the outlet-branch', said valve'bn nig removable when the parts of the casing 'are seperated, an operating lever pivotedon the outlet-branch. andhavmglan arm engag-V mg4 the valvestem, and anexternal sprin connected with ,the'casin'ggand witha secon 'arm of fthewleveri-for normally iseating vsaid valve. l f

In testimonywhereof havel hereunto set n1 hand in'thepresenceo'f-two subscribing Vw1,1;1,1' 5s,a s,1ew:lenteur-,7 of Jujuy` 1907..:

so' 'i 

